Home / 357,151,325.75-535,518,481.07-138,546,225.83

Finding the Fourth Proportional to 357,151,325.75, 535,518,481.07 and 138,546,225.83

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Solution

The fourth proportional to 357,151,325.75, 535,518,481.07 and 138,546,225.83 is: 207,738,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,151,325.75 : 535,518,481.07 = 138,546,225.83 : x
  2. Step 2: Convert to fraction form
    357,151,325.75/535,518,481.07 = 138,546,225.83/x
  3. Step 3: Cross multiply
    357,151,325.75x = 535,518,481.07 × 138,546,225.83
  4. Step 4: Simplify right side
    357,151,325.75x = 74,194,064,416,147,968
  5. Step 5: Solve for x
    x = 74,194,064,416,147,968/357,151,325.75
  6. Step 6: Final answer
    x = 207,738,454.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.